﻿// Copyright © 2008, 2010, Oracle and/or its affiliates. All rights reserved.
//
// MySQL Connector/NET is licensed under the terms of the GPLv2
// <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most 
// MySQL Connectors. There are special exceptions to the terms and 
// conditions of the GPLv2 as it is applied to this software, see the 
// FLOSS License Exception
// <http://www.mysql.com/about/legal/licensing/foss-exception.html>.
//
// This program is free software; you can redistribute it and/or modify 
// it under the terms of the GNU General Public License as published 
// by the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful, but 
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 
// for more details.
//
// You should have received a copy of the GNU General Public License along 
// with this program; if not, write to the Free Software Foundation, Inc., 
// 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA

using System.Runtime.InteropServices;
using Microsoft.VisualStudio.Package;
using Microsoft.VisualStudio.TextManager.Interop;
using System;

namespace MySql.Data.VisualStudio
{
    /// <summary>
    /// This language service will provide language
    /// </summary>
    [ComVisible(true)]
    [Guid("FA498A2D-116A-4f25-9B55-7938E8E6DDA7")]
    class MySqlLanguageService : LanguageService
    {
        private LanguagePreferences preferences;

        public const string LanguageName = "MySQL";

        public override AuthoringScope ParseSource(ParseRequest req)
        {
            return null;
        }

        public override string Name
        {
            get { return LanguageName; }
        }

        public override string GetFormatFilterList()
        {
            return String.Empty;
        }

        public override IScanner GetScanner(IVsTextLines buffer)
        {
            return new MySqlScanner();
        }

        public override LanguagePreferences GetLanguagePreferences()
        {
            if (preferences == null)
            {
                preferences = new LanguagePreferences(this.Site,
                    typeof(MySqlLanguageService).GUID, LanguageName);
                preferences.Init();
            }
            return preferences;
        }
    }
}
